PROPERTY, PLANT, EQUIPMENT AND MINING DEVELOPMENT COSTS, NET (Schedule of PPE) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property, plant, equipment and mining development costs	$ 34,249	$ 29,650
Accumulated depreciation, depletion and amortization	(10,207)	(8,651)
Property, plant, equipment and mining development costs, net	24,042	20,999
Proven and probable reserves [Member]
Property, Plant and Equipment [Line Items]
Property, plant, equipment and mining development costs	4,651	4,630
Value beyond proven and probable reserves (VBPP) [Member]
Property, Plant and Equipment [Line Items]
Property, plant, equipment and mining development costs	1,044	1,067
Mining development and other [Member]
Property, Plant and Equipment [Line Items]
Property, plant, equipment and mining development costs	4,335	3,821
Buildings and infrastructure [Member]
Property, Plant and Equipment [Line Items]
Property, plant, equipment and mining development costs	4,334	3,811
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant, equipment and mining development costs	10,379	9,472
Mobile equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant, equipment and mining development costs	3,903	3,447
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant, equipment and mining development costs	$ 5,603	$ 3,402